Light offers particular advantages over conventional electronics — it can be transmitted with high fidelity over long distances, and can carry much more information. (sciencedaily.com)
We wanted to see if they were doing what they said and what their curriculum said they should be doing on a given day, and we found very high fidelity of implementation. (educationnext.org)
Their features are still under wraps, though you probably shouldn't expect much beyond high fidelity sound and robust endurance. (pocketnow.com)